Looking for rotational molding alternatives for Virginia? Want affordable custom plastic molding that is cost effective for Shenandoah area? Then give us a call at our toll free number 866-971-7861 or request a quote today!

rotomolding-Shenandoah-Rotational molding refers to a plastic production solution that produces hollow stress-free products. The method utilizes high temperatures and bi axial rotation to follow up with seamless, one piece products that have different shapes, sizes and colors. This method is also known as rotomolding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl styles.

The feature that makes this different from other plastic manufacturing techniques that no pressure is called for. It also has few competitors when it comes down to the production of large hollow items which are resilient and inexpensive.There is a wide variety of product lines that are created by this process including large size water tanks, automobile items, sophisticated molded medical products, leisure equipment, toys, canoes, industrialized equipment among many others.This is because of the versatility in terms of style and forms that the process produces

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Shenandoah VA 22849, it is a cheaper way of making plastics. This is because apart from the fact that no pressure is required, the cost of mold preparation is low.
  • A wide array of design options.
    There is no limit to the kind of design one may want to create. The rotomolding process therefore allows for the manufacturing of products that have complex shapes for different purposes.
  • Size.
    The process provides room for the manufacturing of products of any size, large or small. As mentioned earlier, it has few competitors when it comes to the making of large tanks at low costs.
  • Low risk.
    Due to the low costs of creating a mould, the process allows for test runs before one can decide whether to do mass production. It therefore minimizes the risk of losing a lot of investment.
  • Durable products.
    The process allows for even coating of the mould with the heated polymer, giving the product a wall with uniform thickness. It also gives the option of double coating for increased durability. Sometimes metal inserts are placed inside the mould to further strengthen the product.
  • Environmentally friendly.
    There is no waste that could have a negative impact on the environment because the products that cannot be used are reground and reused as polymer.

Examples of Products Made by Rotational Molding

Custom Molded-Shenandoah-Rotocasting is a very versatile process, making it possible to create a variety of products for different industries.

  • Agricultural industry– From cattle feeders, water troughs, spray tanks etc.
  • Automotive industry– Filler tubes, dash boards, arm rests, sun visors, air conditioner duct work etc.
  • Furniture– We have plastic cabinets, chairs and tables made from this form of moulding.

There are numerous Virginia plastic products also that have been made for the marine industry, lighting, waste storage and transportation, kayaks etc.

Few Disadvantages – There are nominal disadvantages that have been associated with rotocasting. For instance:

  • – The process is relatively slow when compared to injection moulding.
  • – There is a limitation when it comes to the type of raw material you can use. Only poly based and nylon polymers can be used.
  • – The process comes with an increased cost because the polymer has to be ground to powder form before use.
    These limitations are often overlooked considering that the process is still relatively cheap and offers more in terms of variety when it comes to the finished range of products.

Remember – There are new developments and discoveries that are being made as the world of plastic manufacturing in Shenandoah Virginia continuously. For instance, tests are being done to see whether there are other materials that can be used for this process. But so far, rotomoulding offers a good option for the production of a wide range of inexpensive plastic products.

The Rotomolding Method in Detail

This moulding procedure has been used since earlier times for creatingvseverl product lines. Egyptians as an example, used rotational molding solutions in the creating of ceramics. The Swiss were also making use of this rotation design to create hollow chocolate eggs. Some plastic items in the USA were created utilizing this technique some time between 1940 and 1950. The procedure has however taken long to catch on because it was considered as being a moderately slow process

1. Mould preparation.
A fixed amount of polymer in particle form is packed into a hollow mold. The mold is usually crafted from cast aluminium or sheet steel component. The coloring desired for the final product is pre compounded into the polymer. The most often used powder resin is polythene, but polyvinyl chloride and nylon can also be used in this format of plastic manufacturing.

Preheating of the oven follows, and it may be done by either conduction, convection or sometimes radiation. It is warmed to temperatures between 500-700F. The mold with the powdered polymer is then secured and put within the oven.

2. The heat and fusion process.
Once inside the oven, the mold is revolved on two axis so the powdered polymer melts from the heat and coats the inside if the mould. The spinning is done slowly, about 20 revolutions per sixty seconds. One thing that is vital at this point is the period of time the mold will spend within the oven. If it overstays, the material will lose value and strength, creating a poor product. If it is taken out from the oven prematurely, the polymer will not have liquefied correctly, which generates bubbles in the completed product.

3. Mold cooling down.
When the material has sufficiently spent the correct amount of time in the oven, it is then taken out for cooling. This can be done by air or water, or sometimes a mixture of both which creates a cool mist. When the material cools, it reduces a little for ease of removal from the mold. This is another step that relies a lot on the correct timing, since quick cooling decreases the material too quickly, causing bending of the item.

4. The discharging or de-molding step.
Once the product within te mould has cooled successfully, the molder taking care of the operation can then remove the finished item from the mould. The procedure is repeated from the beginning, supplying a series of identical items.

For more information on the different rotational rotomolding options offered for the Shenandoah VA 22849 area, please call our toll free number  866-971-7861 or fill out the form on the right for a consultation!

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